protected override void OnBefore(IInvocation invocation)
{
var validator = (IValidator)Activator.CreateInstance(_validatorType);
var entityType = _validatorType.BaseType.GetGenericArguments()[0];
var entities = invocation.Arguments.Where(t => t.GetType() == entityType);
foreach (var entity in entities)
{
ValidationTool.validate(validator, entity);
}
}